export function MP(ak) {
	return new Promise(function (resolve, reject) {
		window.init = function () {
			resolve(BMap);
		};
		var script = document.createElement('script');
		script.type = 'text/javascript';
		script.src =
			'http://api.map.baidu.com/api?v=2.0&ak=' + ak + '&callback=init';
		script.onerror = reject;
		document.head.appendChild(script);
	});
}
